ACTIVELY EXPLOITED
CVE-2026-33017: Langflow Code Injection Vulnerability
| Vendor | Langflow |
|---|---|
| Product | Langflow |
| Actively exploited | Yes |
| Added to CISA KEV | 25 Mar 2026 |
| CISA federal deadline | 8 Apr 2026 |
| Weakness (CWE) | CWE-306, CWE-94, CWE-95 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication.
SOURCES
Other Langflow flaws
- CVE-2026-0770: Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
- CVE-2026-55255: Langflow Authorization Bypass Through User-Controlled Key Vulnerability
- CVE-2025-34291: Langflow Origin Validation Error Vulnerability
- CVE-2025-3248: Langflow Missing Authentication Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.